Mosul: Living with Islamic State. Iraq's second city is closed to the outside world and controlled by its new rulers. With exclusive, secretly filmed footage of life in Mosul, Yalda Hakim tells the story a city run by Islamic State.

Through interviews with relatives, biographers and politicians, James Reynolds profiles Ayatollah Ali Khamenei, Iran's supreme leader. Who is this man? And how has he consolidated Iran's Islamic Revolution?

Laura Trevelyan meets three New Yorkers all affected in different ways by 9/11. Their minute-by-minute recollections of that azure-blue morning convey the chaos and confusion which engulfed Manhattan as the twin towers were hit by hijacked planes.